Questions tagged [ethereum-classic]

Ethereum Classic is the chain where the DAO rescue hardfork did not occur. This tag is for questions dealing with the differences between the chains, usage of multiple chains, as well as cross-chain interaction.

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6
votes
2answers
515 views

Are eth transactions still replayed on the etc chain?

I have read about EIP 155. I see that the main chain, test nets, and ETC were asked to implement EIP 155. If just ETH implemented EIP 155, wouldn't that have been enough to prevent ETC from being ...
1
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1answer
241 views

How do I verify and query my transaction? (Web3.py + Infura + Remix)

I've used buildTransaction() (which works at Contract.transact()) and I can see my transaction has taken place. (https://ropsten.etherscan.io/tx/...
1
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1answer
324 views

Create account on Ethereum using Nethereum C#

I have studied the documents for creating a new account using Nethereum.. var ecKey = Nethereum.Signer.EthECKey.GenerateKey(); var privateKey = ecKey.GetPrivateKeyAsBytes().ToHex(); var account = new ...
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2answers
67 views

How can I (efficiently) programatically see if I am on an ETH or ETC chain?

if i have 2 nodes, one ETH and one ETC, and I am writing a program to use these nodes, how can i determine which node I am using at any given time? the best i can come up with is to check a known ...
0
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2answers
539 views

Ethereum & ERC20 Tokens Integration in exchange

I'm a part on an exchange development and we want to integrate Ethereum, Ethereum Classic and all ERC20 tokens in that exchange. Which wallet will be compatible for these requirements, Is there any ...
1
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1answer
66 views

Are OPCODEs for ETH and ETC different?

I deployed an exactly same contract to both ETH and ETC. And I could see the contract doesn't work correctly only on ETC. contract ContractA { ContractB public BB; // Common constructor (...
7
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1answer
465 views

Can I use web3 with Ethereum Classic?

I just learnt using web3 to interact with Ethereum. Is there a similar library to web3 to work with Ethereum Classic? Is there a testnet faucet? Does it work with Parity? Thanks in advance for your ...
7
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2answers
3k views

How to configure parity to work with the ETC chain?

I have some ETC/DAO-C funds that I want to claim, so I'm interested in running a parity node to do this. How can I configure parity to follow the ETC chain?
0
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1answer
267 views

Is there a host node for ETC similar to infura?

I want to connect to a node test using web3's HTTPProvider, and I don't want to spend time deploying a node.
1
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1answer
54 views

Ethereum node stops automatically

I have deployed an Ethereum node on my VPS server. I am starting node sync using: geth --syncmode light console --rpc --rpcport 8545 --rpccorsdomain "*" --rpcaddr 0.0.0.0 --rpcapi db,eth,net,web3,...
0
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1answer
340 views

How to install a Ethereum Classic Geth Client?

I was trying to install Go-Ethereum Classic in Ubuntu(VM) using the following guide https://github.com/ethereumproject/go-ethereum I followed the steps as per the guide and all went fine till $ ...
1
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3answers
494 views

eth syncing of ethereum classic node in background

I run ethereum classic node on an amazon ec2 instance. It seems to be running ./geth --fast ./geth --exec "eth.syncing" attach { currentBlock: 735772, highestBlock: 5565504, knownStates: ...
0
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4answers
965 views

how to create multiple owners : Solidity

I am creating a contract in which i want is like multiple owners have the rights to whitelist the user. contract Whitelist { mapping(address => bool) Users; address private owner; ...
0
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2answers
55 views

ETC Stuck in ETH standard wallet contract

I used to use the standard wallet contract in Mist to store ETH and as a result have some ETC still stored in the wallet contract address according to the ETC block explorer. I am trying to figure out ...
6
votes
3answers
1k views

I get error couldn't find module 'ethereumjs-wallet/hdkey'

I was running this code deploy.js const HDWalletProvider = require('truffle-hdwallet-provider'); const Web3 = require('web3'); const { interface, bytecode } = require('./compile'); const provider = ...
2
votes
2answers
501 views

Solidity: UnimplementedFeatureError: Only in-memory reference type can be stored

I am getting the follow error with the contract below when I compile in remix and javascript. Also how do I fix it. UnimplementedFeatureError: Only in-memory reference type can be stored. pragma ...
1
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1answer
169 views

Best practice in 2018 to claim Ethereum presale purchase [duplicate]

I have the presale wallet and password, but went through a number of trials and just now trying to get back on my feet. I have yet to claim my presale and could really use it to help with medical ...
4
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0answers
307 views

How can I use a Presale JSON file to keep my ETH long-term in cold storage and sell my ETC seperately?

I received Ether during the Pre-sale in June 2014 and received a JSON file and have the password. I have never tried to access these funds. I found out that I should have ETC & ETH due to the hard-...
5
votes
1answer
457 views

How to replay a transaction on classic?

I have looked to split and sell my etc and have successfully split with test transactions replaying on classic, however the main transaction has not replayed for 24 hours and I would like to force a ...
1
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3answers
559 views

Changelly: confirmation of BTC/ETC transaction although ETC never arrived

Recently, I used Changelly to exchange BTC for ETC. Inadvertently, I made a mistake typing in the address of my ETC wallet (a 3 instead of a 2). Changelly informed me that the 'transaction is complete'...
0
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2answers
804 views

how to deploy escrow smartcontract and use it with exciting erc20 tokens

i want to build escrow smart contract with one particular ERC20 standard token. i want to hold token in escrow as a guarantee for transaction. and on some condition those tokens should go back to ...
2
votes
1answer
713 views

How to use timer in escrow

I have an escrow contract where party A is sending some token to party B and right now held in escrow. I want to use the timer function in smart contract so that the token will be held for a certain ...
1
vote
1answer
255 views

EIP20.Sol does not compile. On remix.ethereum.org, I am trying to deploy a test token

I followed the instructions and got an error: Parse Error Expected Token ; got 'LParen' emit Transfer(msg.sender, _to_value); How do I fix this? Code: function transfer(address _to, uint256 ...
0
votes
1answer
20 views

exchange Eth to Fund(real cash), then..?

I'm just learning Ethereum, and I have two questions. Is the total number of ethers capped in the main Network? I mean, there are 10,000,000 ethers, for example, in the network, and all currencies ...
1
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0answers
105 views

how to decrypt aes 128 keystore offline with password [duplicate]

i want to create dapp like cold wallet on which i can access my sign transaction with private key but in order to get private key for each time i need offline code or script to decrypt my keystore ...
0
votes
1answer
105 views

Ethereum-PHP How to receive outbound parameters from smart contract function

In contract sol file I have function definition: function product(uint32 _prdId) public view returns (uint32 prdId, string prdName, address prd, uint closeTime, uint promoTime,uint8 bonus, ...
2
votes
1answer
453 views

Ethereum-PHP Calling contract function with parameter

I'm not the author of Ethereum part but have to connect to using php. Choosen Ethereum-PHP package (https://github.com/digitaldonkey/ethereum-php). Have connection to ethereum and smart contract but ...
3
votes
1answer
435 views

Calling function in one contract from another contract in private blockchain by Geth

I have problem with smart contract development using Remix solidity in private blockchain by Geth. I have two smart contracts such as Factory contract and Contract contract. I create the Factory ...
0
votes
2answers
349 views

how to send tokens back from escrow smartcontract to wallet

i am trying to send tokens out from escrow smartcontract to seller's address and for tokens i am using different ERC2O standard smart contract. so i can send like buyer can send from ERC20 ...
0
votes
1answer
226 views

what is meant by minted crowdsales?

I am new to ethereum smart contracts, I was going through minted crowdsale code for learning but couldn't figured out its use case or what is its purpose, precisely what does it mean? Any answer ...
1
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1answer
297 views
0
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1answer
42 views

Is there a performance penalty towards creating the maximum number of tokens with ERC-20 etc?

I saw this link: Max possible ERC20 Tokens allowed with 18 decimals? Is there a performance penalty for creating so many tokens? Obviously the number of storage capacity needed for mining will be ...
1
vote
1answer
450 views

Accidentally sent ETC to an ETH address [duplicate]

I incorrectly sent some ETC from my bter account to an ETH address on Poloniex. https://etherscan.io/address/0xa257d73760c8918aac1367ee983c1b4341f6c357 https://minergate.com/blockchain/etc/...
4
votes
1answer
272 views

Using Ethereum Classic with web3.py

I successfully integrated Ethereum (ETH) in my product. Now, I want to integrate Ethereum Classic(ETC) in my product. I am using web3.py for ETH. Are there any documentations or libraries for ETC? How ...
-1
votes
1answer
50 views

I am requested to provide ethereneum adress. How do i go about to create this? [closed]

Please help me to create an ethereneum address and kindly give examples of addresses for ethereneum.
1
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0answers
59 views

Lower level implementation of solidity call

How is call() implemented at lower level in Ethereum Solidity compiler? Most of the places it is written that it is used to send message to contracts. But I need to know syntax and semantics of call() ...
0
votes
1answer
379 views

How to confirm a multisig ETC contract wallet transaction that requires two account signers?

I created a multisig contract wallet with Ethereum Wallet that requires two signatures well before the ETH/ETC hard fork. I'm just now coming back to try and move my ETC out of the 2sig contract ...
1
vote
1answer
600 views

Fatal: Error starting protocol stack: missing block number for head header hash

I didn't check on the running Geth instance and when I executed a function that logs everything in the Blockchain, I had an error that the port I was listening to wasn't responding. I figured out that ...
1
vote
1answer
5k views

Can't send ETC from MyEtherWallet using MetaMask wallet

I'm using Metamask with MEW. I sent 1.14 ETC to the address. I also sent some ETH for gas to the same address as seen below. But when I go to MetaMask Chrome Ext, it only shows ETH. When I go to MEW ...
0
votes
1answer
73 views

Feedback the cheat and fraud of etc eth on twitter. How can i recover my loss?

Eth and etc arg two great projects. As i can't find the etc email, hope you can kindly cc to etc too, thanks. A few days ago on Twitter to search for the etheric classic, found an account, and read ...
1
vote
1answer
278 views

Is it ok to install ethereum and ethereum classic geth together on a server

I already have geth of ethereum running on my amazon linux server. Can I install ethereum classic geth on the same server.? Will it cause problem like transfering from ETH to ETC address accidentally ?...
0
votes
1answer
138 views

how a transaction is confirmed after all block are mined (newbie)

I'm completely a newbie in crypto currency. There is a question stuck in my head: Fact: - when an amount is sent from me to someone then a transaction is created and broadcasted on network. - this ...
1
vote
2answers
224 views

Why is there a discrepancy between etherhub.io and gastracker.io?

I traded for Ether Classic (ETC) using ShapeShift and my Coinomi Wallet. The amount I received shows in both my Coinomi Wallet and on gastracker.io, but etherhub.io, etherscan.io, and ethplorer.io ...
0
votes
1answer
771 views

How Ethash works?

I've looked at the wiki in search of how the information about Ethash algorithm but i did not find the answer. Where can i find detailed information about it or can someone explain it?
0
votes
1answer
239 views

Please help, i accidentally sent some ETC to an ETH wallet

i wonder if anyone can help me out the transaction was completed, poloniex told me that they can't do nothing the coins never got to my wallet but went to the ETC blockchain, understandably is ...
3
votes
2answers
2k views

ether from json file

I have a json file with ether created before fork. Now I want to sell ETC without moving ETH. My question is how to do it properly? What if I'll restore file into ETC wallet and spend it. Is possible ...
3
votes
1answer
138 views

Unable to understand how smart contracts work

I'm reading several articles about privacy in ethereum smart contracts but still I don't understand how everything in the smart contract is visible to anyone? What does this mean?
1
vote
1answer
44 views

I transferred coins to an address that belongs to ETH wallet instead of ETC [duplicate]

I have a problem. so, Ask for help. by mistake, I transferred coins to an address that belongs to ETH wallet instead of ETC. Is ther a solution for this? Pleas, see below.
1
vote
0answers
464 views

Mining Nanopool almost without shares?

I'm using nanopool to mine ethereum classic, but Nanopool tells me that my device is offline because it doesn't get any shares This is my account : https://etc.nanopool.org/account/...
7
votes
1answer
7k views

ETH sent to ETC address

I accidentally sent ALL my ETH on ETC address :( 6 months of mining gone :( I sent from one exchange to fresh address on another exchange, but on ETC ... Is there ANY way to track those coins? I'm ...